From c9160966d7b95918aefe7fc2cfcd51491d56f4ff Mon Sep 17 00:00:00 2001
From: Jeff Geerling <geerlingguy@mac.com>
Date: Mon, 4 Jul 2016 16:36:04 -0500
Subject: Convert tests to use Docker for full OS coverage.

---
 .travis.yml                   | 55 ++++++++++++++++++++++++++++++-------------
 tests/Dockerfile.centos-6     | 15 ++++++++++++
 tests/Dockerfile.centos-7     | 27 +++++++++++++++++++++
 tests/Dockerfile.ubuntu-12.04 | 11 +++++++++
 tests/Dockerfile.ubuntu-14.04 | 11 +++++++++
 tests/inventory               |  1 -
 tests/test.yml                |  6 ++---
 7 files changed, 104 insertions(+), 22 deletions(-)
 create mode 100644 tests/Dockerfile.centos-6
 create mode 100644 tests/Dockerfile.centos-7
 create mode 100644 tests/Dockerfile.ubuntu-12.04
 create mode 100644 tests/Dockerfile.ubuntu-14.04
 delete mode 100644 tests/inventory

diff --git a/.travis.yml b/.travis.yml
index 11a7369..668ba3b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,34 +1,55 @@
 ---
 sudo: required
-language: python
-python: "2.7"
 
 env:
-  - SITE=test.yml
+  - distribution: centos
+    version: 6
+    init: /sbin/init
+    run_opts: ""
+  - distribution: centos
+    version: 7
+    init: /usr/lib/systemd/systemd
+    run_opts: "--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro"
+  - distribution: ubuntu
+    version: 14.04
+    init: /sbin/init
+    run_opts: ""
+  - distribution: ubuntu
+    version: 12.04
+    init: /sbin/init
+    run_opts: ""
+
+services:
+  - docker
 
 before_install:
-  - sudo apt-get update -qq
-
-install:
-  # Install Ansible.
-  - pip install ansible
-
-  # Add ansible.cfg to pick up roles path.
-  - "{ echo '[defaults]'; echo 'roles_path = ../'; } >> ansible.cfg"
+  # Pull container
+  - 'sudo docker pull ${distribution}:${version}'
+  # Customize container
+  - 'sudo docker build --rm=true --file=tests/Dockerfile.${distribution}-${version} --tag=${distribution}-${version}:ansible tests'
 
 script:
-  # Check the role/playbook's syntax.
-  - "ansible-playbook -i tests/inventory tests/$SITE --syntax-check"
+  - container_id=$(mktemp)
+  # Run container in detached state
+  - 'sudo docker run --detach -p 8025:8025 --volume="${PWD}":/etc/ansible/roles/role_under_test:ro ${run_opts} ${distribution}-${version}:ansible "${init}" > "${container_id}"'
 
-  # Run the role/playbook with ansible-playbook.
-  - "ansible-playbook -i tests/inventory tests/$SITE --connection=local --sudo"
+  # Ansible syntax check.
+  - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml --syntax-check'
 
-  # Run the role/playbook again, checking to make sure it's idempotent.
+  # Test role.
+  - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml'
+
+  # Test role idempotence.
+  - idempotence=$(mktemp)
+  - sudo docker exec "$(cat ${container_id})" ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml | tee -a ${idempotence}
   - >
-    ansible-playbook -i tests/inventory tests/$SITE --connection=local --sudo
+    tail ${idempotence}
     | grep -q 'changed=0.*failed=0'
     && (echo 'Idempotence test: pass' && exit 0)
     || (echo 'Idempotence test: fail' && exit 1)
 
+  # Clean up
+  - 'sudo docker stop "$(cat ${container_id})"'
+
 notifications:
   webhooks: https://galaxy.ansible.com/api/v1/notifications/
diff --git a/tests/Dockerfile.centos-6 b/tests/Dockerfile.centos-6
new file mode 100644
index 0000000..4a4e7b8
--- /dev/null
+++ b/tests/Dockerfile.centos-6
@@ -0,0 +1,15 @@
+FROM centos:6
+
+# Install Ansible
+RUN yum -y update; yum clean all;
+RUN yum -y install epel-release
+RUN yum -y install git ansible sudo
+RUN yum clean all
+
+# Disable requiretty
+RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
+
+# Install Ansible inventory file
+RUN echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
+CMD ["/usr/sbin/init"]
diff --git a/tests/Dockerfile.centos-7 b/tests/Dockerfile.centos-7
new file mode 100644
index 0000000..8aa0654
--- /dev/null
+++ b/tests/Dockerfile.centos-7
@@ -0,0 +1,27 @@
+FROM centos:7
+
+# Install systemd -- See https://hub.docker.com/_/centos/
+RUN yum -y swap -- remove fakesystemd -- install systemd systemd-libs
+RUN yum -y update; yum clean all; \
+(cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \
+rm -f /lib/systemd/system/multi-user.target.wants/*; \
+rm -f /etc/systemd/system/*.wants/*; \
+rm -f /lib/systemd/system/local-fs.target.wants/*; \
+rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
+rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
+rm -f /lib/systemd/system/basic.target.wants/*; \
+rm -f /lib/systemd/system/anaconda.target.wants/*;
+
+# Install Ansible
+RUN yum -y install epel-release
+RUN yum -y install git ansible sudo
+RUN yum clean all
+
+# Disable requiretty
+RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
+
+# Install Ansible inventory file
+RUN echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
+VOLUME ["/sys/fs/cgroup"]
+CMD ["/usr/sbin/init"]
diff --git a/tests/Dockerfile.ubuntu-12.04 b/tests/Dockerfile.ubuntu-12.04
new file mode 100644
index 0000000..d0c130c
--- /dev/null
+++ b/tests/Dockerfile.ubuntu-12.04
@@ -0,0 +1,11 @@
+FROM ubuntu:12.04
+RUN apt-get update
+
+# Install Ansible
+RUN apt-get install -y software-properties-common python-software-properties git
+RUN apt-add-repository -y ppa:ansible/ansible
+RUN apt-get update
+RUN apt-get install -y ansible
+
+# Install Ansible inventory file
+RUN echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
diff --git a/tests/Dockerfile.ubuntu-14.04 b/tests/Dockerfile.ubuntu-14.04
new file mode 100644
index 0000000..ca33287
--- /dev/null
+++ b/tests/Dockerfile.ubuntu-14.04
@@ -0,0 +1,11 @@
+FROM ubuntu:14.04
+RUN apt-get update
+
+# Install Ansible
+RUN apt-get install -y software-properties-common git
+RUN apt-add-repository -y ppa:ansible/ansible
+RUN apt-get update
+RUN apt-get install -y ansible
+
+# Install Ansible inventory file
+RUN echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
diff --git a/tests/inventory b/tests/inventory
deleted file mode 100644
index 2fbb50c..0000000
--- a/tests/inventory
+++ /dev/null
@@ -1 +0,0 @@
-localhost
diff --git a/tests/test.yml b/tests/test.yml
index 34c9773..ddde48f 100644
--- a/tests/test.yml
+++ b/tests/test.yml
@@ -1,10 +1,8 @@
----
-- hosts: localhost
-  remote_user: root
+- hosts: all
 
   vars:
     ntp_enabled: false
     ntp_manage_config: true
 
   roles:
-    - ansible-role-ntp
+    - role_under_test
-- 
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